Leetcode Daily problems

Solutions for leetcode daily questions

Day	Question	Difficulty	Solution
2025-01-01	Maximum score after splitting a string	Easy	Python
2025-01-02	Count vowel strings in ranges	Medium	Python
2025-01-03	Number of ways to split array	Medium	Python
2025-01-04	Unique Length-3 Palindromic Subsequences	Medium	Python
2025-01-05	Shifting Letters II	Medium	Python
2025-01-06	Minimum Number of Operations to Move All Balls to Each Box	Medium	Python
2025-01-07	String Matching in an Array	Easy	Python
2025-01-08	Count Prefix and Suffix Pairs I	Easy	Python
2025-01-09	Counting Words With a Given Prefix	Easy	Python
2025-01-10	Word Subsets	Medium	Python
2025-01-11	Construct K Palindrome Strings	Medium	Python
2025-01-12	Check if a Parentheses String Can Be Valid	Medium	Python
2025-01-12	Check if a Parentheses String Can Be Valid	Medium	Python
2025-01-13	Minimum Length of String After Operations	Medium	Python
2025-01-14	Find the Prefix Common Array of Two Arrays	Medium	Python
2025-01-15	Minimize XOR	Medium	Python
2025-01-16	Bitwise XOR of All Pairings	Medium	Python
2025-01-17	Neighboring Bitwise XOR	Medium	Python
2025-01-18	Minimum Cost to Make at Least One Valid Path in a Grid	Hard	Python
2025-01-19	Trapping Rain Water II	Hard
2025-01-20	First Completely Painted Row or Column	Medium	Python
2025-01-21	Grid Game	Medium	Python
2025-01-22	Map of Highest Peak	Medium	Python
2025-01-23	Count Servers that Communicate	Medium	Python
2025-01-24	Find Eventual Safe States	Medium	Python
2025-01-25	Make Lexicographically Smallest Array by Swapping Elements	Medium	Python
2025-01-27	Course Schedule IV	Medium	Python
2025-01-28	Maximum Number of Fish in a Grid	Medium	Python
2025-01-29	Redundant Connection	Medium	Python
2025-01-31	Making A Large Island	Hard	Python
2025-02-01	Special Array I	Easy	Python
2025-02-02	Check if Array Is Sorted and Rotated	Easy	Python
2025-02-03	Longest Strictly Increasing or Strictly Decreasing Subarray	Easy	Python
2025-02-04	Maximum Ascending Subarray Sum	Easy	Python
2025-02-05	Check if One String Swap Can Make Strings Equal	Easy	Python
2025-02-06	Tuple with Same Product	Medium	Python
2025-02-07	Find the Number of Distinct Colors Among the Balls	Medium	Python
2025-02-08	Design a Number Container System	Medium	Python
2025-02-09	Count Number of Bad Pairs	Medium	Python
2025-02-10	Clear Digits	Easy	Python
2025-02-11	Remove All Occurrences of a Substring	Medium	Python
2025-02-12	Max Sum of a Pair With Equal Sum of Digits	Medium	Python
2025-02-13	Minimum Operations to Exceed Threshold Value II	Medium	Python
2025-02-14	Product of the Last K Numbers	Medium	Python
2025-02-15	Find the Punishment Number of an Integer	Medium	Python
2025-02-16	Construct the Lexicographically Largest Valid Sequence	Medium	Python
2025-02-17	Letter Tile Possibilities	Medium	Python
2025-02-18	Construct Smallest Number From DI String	Medium	Python
2025-02-19	The k-th Lexicographical String of All Happy Strings of Length n	Medium	Python
2025-02-20	Find Unique Binary String	Medium	Python
2025-02-21	Find Elements in a Contaminated Binary Tree	Medium	Python
2025-02-22	Recover a Tree From Preorder Traversal	Medium	Python
2025-02-23	Construct Binary Tree from Preorder and Postorder Traversal	Medium	Python
2025-02-24	Most Profitable Path in a Tree	Medium	Python
2025-02-25	Number of Sub-arrays With Odd Sum	Medium	Python
2025-02-26	Maximum Absolute Sum of Any Subarray	Medium	Python
2025-02-27	Length of Longest Fibonacci Subsequence	Medium	Python
2025-02-28	Shortest Common Supersequence	Hard	Python
2025-03-01	Apply Operations to an Array	Easy	Python
2025-03-02	Merge Two 2D Arrays by Summing Values	Easy	Python
2025-03-03	Partition Array According to Given Pivot	Medium	Python
2025-03-04	Check if Number is a Sum of Powers of Three	Medium	Python
2025-03-05	Count Total Number of Colored Cells	Medium	Python
2025-03-06	Find Missing and Repeated Values	Easy	Python
2025-03-07	Closest Prime Numbers in Range	Medium	Python
2025-03-08	Minimum Recolors to Get K Consecutive Black Blocks	Easy	Python
2025-03-09	Alternating Groups II	Medium	Python
2025-03-10	Count of Substrings Containing Every Vowel and K Consonants II	Medium	Python
2025-03-11	Number of Substrings Containing All Three Characters	Medium	Python
2025-03-12	Maximum Count of Positive Integer and Negative Integer	Easy	Python
2025-03-13	Zero Array Transformation II	Medium	Python
2025-03-14	Maximum Candies Allocated to K Children	Medium	Python
2025-03-15	House Robber IV	Medium	Python
2025-03-16	Minimum Time to Repair Cars	Medium	Python
2025-03-17	Divide Array Into Equal Pairs	Easy	Python
2025-03-18	Longest Nice Subarray	Medium	Python
2025-03-19	Minimum Operations to Make Binary Array Elements Equal to One I	Medium	Python
2025-03-21	Find All Possible Recipes from Given Supplies	Medium	Python
2025-03-22	Count the Number of Complete Components	Medium	Python
2025-03-23	Number of Ways to Arrive at Destination	Medium	Python
2025-03-24	Count Days Without Meetings	Medium	Python
2025-03-25	Check if Grid can be Cut into Sections	Medium	Python
2025-03-26	Minimum Operations to Make a Uni-Value Grid	Medium	Python
2025-03-27	Minimum Index of a Valid Split	Medium	Python
2025-03-28	Maximum Number of Points From Grid Queries	Hard	Python
2025-03-30	Partition Labels	Medium	Python
2025-11-16	Number of Substrings With Only 1s	Medium	Python
2025-11-17	Check If All 1's Are at Least Length K Places Away	Easy	Python
2025-11-18	1-bit and 2-bit Characters	Easy	Python
2025-11-19	Keep Multiplying Found Values by Two	Easy	Python
2025-11-20	Set Intersection Size At Least Two	Hard	Python
2025-11-21	Unique Length-3 Palindromic Subsequences	Medium	Python
2025-11-22	Find Minimum Operations to Make All Elements Divisible by Three	Easy	Python
2025-11-23	Greatest Sum Divisible by Three	Medium	Python
2025-11-24	Binary Prefix Divisible By 5	Easy	Python
2025-11-25	Smallest Integer Divisible by K	Medium	Python
2025-11-26	Paths in Matrix Whose Sum Is Divisible by K	Hard	Python
2025-11-27	Maximum Subarray Sum With Length Divisible by K	Medium	Python
2025-11-28	Maximum Number of K-Divisible Components	Hard	Python
2025-11-29	Minimum Operations to Make Array Sum Divisible by K	Easy	Python
2025-11-30	Make Sum Divisible by P	Medium	Python
2025-12-01	Maximum Running Time of N Computers	Hard	Python
2025-12-02	Count Number of Trapezoids I	Medium	Python
2025-12-03	Count Number of Trapezoids II	Hard	Python
2025-12-04	Count Collisions on a Road	Medium	Python
2025-12-05	Count Partitions with Even Sum Difference	Easy	Python
2025-12-07	Count Odd Numbers in an Interval Range	Easy	Python
2025-12-08	Count Square Sum Triples	Easy	Python
2025-12-09	Count Special Triplets	Medium	Python
2025-12-10	Count the Number of Computer Unlocking Permutations	Medium	Python
2025-12-11	Count Covered Buildings	Medium	Python
2025-12-12	Count Mentions Per User	Medium	Python
2025-12-13	Coupon Code Validator	Easy	Python
2025-12-14	Number of Ways to Divide a Long Corridor	Hard	Python
2025-12-15	Number of Smooth Descent Periods of a Stock	Medium	Python
2026-01-19	Maximum Side Length of a Square with Sum Less than or Equal to Threshold	Medium	Python